Hydrochlorofluorocarbons (HCFCs) are the first. but temporary. substitution products for the strong ozone-depleting chlorofluorocarbons (CFCs). HCFC consumption and production are currently regulated under the Montreal Protocol on Substances that Deplete the Ozone Layer and their emissions have started to stabilize or even decrease. https://foldlyers.shop/product-category/mono-led/